Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
FK

Franz W. Kellar

BIBiomedflex: 4 patents #1 of 3Top 35%
Gastonia, NC: #1 of 26 inventorsTop 4%
North Carolina: #236 of 4,532 inventorsTop 6%
Overall (2011): #28,247 of 364,097Top 8%
4 Patents 2011

Issued Patents 2011

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
8070823 Prosthetic ball-and-socket joint Harold L. Crowder 2011-12-06
8029574 Prosthetic knee joint Harold L. Crowder, Glenn A. Rupp 2011-10-04
7914580 Prosthetic ball-and-socket joint Harold L. Crowder 2011-03-29
7905919 Prosthetic joint Harold L. Crowder 2011-03-15